A computer system includes a serial advanced technology attachment dual-in-line memory module (SATA DIMM) with a circuit board, a motherboard, and an indicating unit. An edge connector is set on a bottom edge of the circuit board to engage in a memory slot of the motherboard. A SATA connector is arranged on the circuit board and connected to a storage device interface of the motherboard. The indicating unit is connected to the motherboard for indicating the data transfer rates of the SATA DIMM module through two light emitting diodes.
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1. A computer system, comprising: a motherboard comprising: a storage device interface; a first connecting interface; a first power interface; and a memory slot comprising: a plurality of first power pins, a plurality of first ground pins, and first and second indication signal pins, wherein the first and second indication signal pins are connected to the first connecting interface; a serial advanced technology attachment dual-in-line memory module (SATA DIMM) comprising: a circuit board comprising: an edge connector set on a bottom edge of the circuit board engaged in the memory slot, the edge connector comprising a plurality of second power pins connected to the first power pins, a plurality of second ground pins connected to the first ground pins, and third and fourth indication signal pins connected to the corresponding first and second indication signal pins; a control chip arranged on the circuit board and connected to the plurality of second power pins of the edge connector, wherein the control chip comprises first and second input/output (I/O) pins, the first and second I/O pins of the control chip are connected to the corresponding third and fourth indication signal pins; a plurality of storage chips arranged on the circuit board, and connected to the plurality of second power pins and the control chip; and a SATA connector arranged on the circuit board, and connected to the control chip and the storage device interface of the motherboard; and an indication unit comprising: a second connecting interface connected to the first connecting interface; a second power interface connected to the first power interface; a first light emitting diode (LED); and a second LED; wherein two pins of the second connecting interface are respectively connected to cathodes of the first and second LEDs, anodes of the first and second LEDs are connected to the second power interface, when the SATA DIMM module is at a first data transfer rate, the first I/O pin of the control chip outputs a low level signal to the cathode of the first LED through the third indication signal pin, the first indication signal pin, the first and second connecting interfaces, the first LED is lit; when the SATA DIMM module is at a second data transfer rate, the second I/O pin of the control chip output a low level signal to the cathode of the second LED through the fourth indication signal pin, the second indication signal pin, and the first and second connecting interfaces, the second LED is lit.
The computer system has a motherboard with a storage device interface, a connecting interface, and a power interface. The memory slot is designed for a SATA DIMM, providing power and ground pins, plus two signal pins for data transfer rate indication. The SATA DIMM includes a circuit board with an edge connector that fits into the memory slot, providing power, ground, and signal connections. A control chip on the board manages communication between storage chips and the motherboard's storage interface via a SATA connector. The control chip uses I/O pins connected to the signal pins of the memory slot to output a signal for data transfer rate indication. An indication unit with two LEDs connects to the motherboard through a second connecting interface and power interface. One LED lights up for a first data transfer rate, and the other LED lights up for a second data transfer rate based on the signal from the control chip.
2. The computer system of claim 1 , wherein the memory slot is a double data rate type three (DDR3) memory slot.
The computer system featuring a motherboard, SATA DIMM, and LED indicator to show data transfer rates, as previously described, uses a double data rate type three (DDR3) memory slot. The memory slot on the motherboard provides power, ground, and signal connections, and is of DDR3 specification. The SATA DIMM's edge connector is designed to be compatible with a DDR3 memory slot. This provides standardized electrical and physical interface to the SATA DIMM.
3. The computer system of claim 1 , wherein the memory slot is a double data rate type two (DDR2) memory slot.
The computer system featuring a motherboard, SATA DIMM, and LED indicator to show data transfer rates, as previously described, uses a double data rate type two (DDR2) memory slot. The memory slot on the motherboard provides power, ground, and signal connections, and is of DDR2 specification. The SATA DIMM's edge connector is designed to be compatible with a DDR2 memory slot. This provides standardized electrical and physical interface to the SATA DIMM.
4. The computer system of claim 1 , wherein a notch is defined in the bottom edge of the circuit board, the memory slot comprises a protrusion engaged in the notch.
The computer system featuring a motherboard, SATA DIMM, and LED indicator to show data transfer rates, as previously described, has a notch on the bottom edge of the SATA DIMM's circuit board. The memory slot includes a corresponding protrusion that engages with the notch. This notch and protrusion provide a physical keying mechanism. It ensures the SATA DIMM is correctly oriented and securely seated in the memory slot, preventing incorrect installation.
5. The computer system of claim 1 , wherein the circuit board is a rectangular, two grooves are defined in two opposite ends of the circuit board, two fixing elements are arranged at two opposite ends of the memory slot, to engage in the grooves of the circuit board.
The computer system featuring a motherboard, SATA DIMM, and LED indicator to show data transfer rates, as previously described, has a rectangular SATA DIMM circuit board with grooves on opposite ends. The memory slot features fixing elements on its ends that engage with these grooves. These fixing elements, combined with the grooves, secure the SATA DIMM module within the memory slot.
6. The computer system of claim 1 , wherein the indication unit further comprises a buffer, two input pins of the buffer are connected to two pins of the second connecting interface, two output pins of the buffer are connected to the cathodes of the first and second LEDs, a voltage pin of the buffer is connected to the second power interface and also connected to a first end of a capacitor, a second end of the capacitor is grounded.
The computer system featuring a motherboard, SATA DIMM, and LED indicator to show data transfer rates, as previously described, utilizes an indication unit which includes a buffer between the connecting interface and the LEDs. The buffer's input pins connect to the signal pins of the connecting interface. The buffer's output pins are then connected to the cathodes of the LEDs. The buffer's power pin is connected to the power interface and a capacitor. The other end of the capacitor is grounded, filtering the power supply to the buffer. The buffer isolates the LEDs from the motherboard signals.
7. The computer system of claim 1 , wherein the indication unit further comprises first and second resistors, the first resistor is connected between the anode of the first LED and the second power interface, the second resistor is connected between the anode of the second LED and the second power interface.
The computer system featuring a motherboard, SATA DIMM, and LED indicator to show data transfer rates, as previously described, includes resistors in the indication unit. The first resistor is connected between the anode of the first LED and the power interface. The second resistor is connected between the anode of the second LED and the power interface. These resistors limit the current flowing through the LEDs.
8. The computer system of claim 1 , wherein the first data transfer rate is 3 gigabytes per second (G/S), the second data transfer rate is 6 G/S.
The computer system featuring a motherboard, SATA DIMM, and LED indicator to show data transfer rates, as previously described, uses the first LED to indicate a data transfer rate of 3 gigabytes per second (G/S) and the second LED to indicate a data transfer rate of 6 G/S. The LEDs visually distinguish two different data transfer rates of the SATA DIMM.
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November 24, 2011
August 6, 2013
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